Difference between syntax and semantics

Read the passage, then use the explanation to infer the meaning of the word predominant. the novel was so popular that it was eventually added to a list of books that every ninth grader had to read. it became the predominant work of literature. what is the most likely definition of the word predominant?

How is dr. lanyon characterized in the excerpt? as friendly as arrogant as wise as mournful

In 2–3 complete sentences, thoroughly explain the protagonist's main motivation or goal in "daughter of inventions"? what does the protagonist want? provide at least two specific details from the text to support your analysis of the protagonist's motivation or goal.